From the TED blog (Via Jake von Slatt via speigl.org via verylowsodium):
1. Stare at the image for 10 seconds.
2. Look at something -- your hand, a book, your friend
Mark Frauenfelder is the founder of Boing Boing and the editor-in-chief of MAKE and Cool Tools. Twitter: @frauenfelder. Come and hear Mark speak at the ALA conference in Chicago on July 1.